Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
Published 2021-05-06 13:15:10
Updated 2021-05-10 16:23:49
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Execute code

Threat overview for CVE-2020-28021

Top countries where our scanners detected CVE-2020-28021
Top open port discovered on systems with this issue 80
IPs affected by CVE-2020-28021 216,787
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-28021!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-28021

0.25%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-28021

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.0
HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST

Products affected by CVE-2020-28021

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